2565144330 has 32 divisors (see below), whose sum is σ = 7035825024. Its totient is φ = 586318656.

The previous prime is 2565144311. The next prime is 2565144353. The reversal of 2565144330 is 334415652.

It is a super-2 number, since 2×2565144330² = 13159930867462297800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2565144291 and 2565144300.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6107277 + ... + 6107696.

It is an arithmetic number, because the mean of its divisors is an integer number (219869532).

Almost surely, 2^2565144330 is an apocalyptic number.

2565144330 is an abundant number, since it is smaller than the sum of its proper divisors (4470680694).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2565144330 is a wasteful number, since it uses less digits than its factorization.

2565144330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12214990.

The product of its (nonzero) digits is 43200, while the sum is 33.

The square root of 2565144330 is about 50647.2539235841. The cubic root of 2565144330 is about 1368.8964651340.

Adding to 2565144330 its reverse (334415652), we get a palindrome (2899559982).

The spelling of 2565144330 in words is "two billion, five hundred sixty-five million, one hundred forty-four thousand, three hundred thirty".